Fan filter unit with filter element convenient to replace

By designing the clamping blocks and auxiliary components in the fan filter unit, the installation cover of the fan filter unit is quickly disassembled and installed, solving the problem of inconvenient replacement of the filter element in the prior art, and improving the replacement efficiency and practicality of the device.

CN222210724UActive Publication Date: 2024-12-20BEIJING ZHONGLIAN CONSTR ENG ENVIRONMENTAL ENG GRP CO LTD
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Patent Information

Application Number
CN202420411572.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-04
Publication Date
2024-12-20
Estimated Expiration
2034-03-04

AI Technical Summary

Technical Problem

The inconvenient replacement of filter elements in existing fan filter units is mainly due to the need for tools to install the ventilation hood, which leads to a long disassembly time and affects the replacement efficiency.

Method used

A fan filter unit that is convenient for replacing the filter element is designed. The mounting cover is equipped with a clamp block, combined with a rotating plate, mounting frame, clamping seat, fitting ring, spring and auxiliary components, through the cooperation of the spring and the movable column, it can be realized. Quick removal and installation of the mounting cover to reduce reliance on tools.

Benefits of technology

It enables quick removal of the installation cover without tools, shortens the time for filter element replacement, improves replacement convenience, and ensures stability after installation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222210724U_ABST
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Abstract

The utility model discloses a fan filter unit convenient for replacing a filter element, which comprises a fan filter unit main body, an air port of the fan filter unit main body is provided with a mounting cover, the surface of the mounting cover is oppositely provided with clamping blocks, and the fan filter unit convenient for replacing the filter element further comprises a rotating plate; and the mounting frames are oppositely arranged on the two sides of the fan filter unit body in the width direction, rotating shafts are rotationally connected into the mounting frames, and the surfaces of the rotating shafts are fixedly connected with the bottoms of the rotating plates. According to the scheme, when the mounting cover needs to be disassembled, the connecting plate is vertically moved upwards firstly, the first spring connected to the bottom end of the movable column is deformed, and the first spring is disassembled and separated from the fan filter unit body, so that the mode that the mounting cover is fixed through bolts and nuts is replaced, and the mounting cover can be disassembled without the help of tools; and the dismounting time of the mounting cover is shortened, so that the overall process of replacing the filter element is shortened, and the convenience of replacing the filter element is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of installation mechanisms, and more specifically, to a fan filter unit with convenient filter element replacement. Background Art

[0002] A fan filter unit is a device used for air filtration and purification. It consists of a fan, a filter, and a unit control system. However, it still has some disadvantages in actual use, such as: existing fan filter units are often equipped with filter elements, which need to be replaced and cleaned after a period of use. The filter element is usually set at the air outlet of the unit, and a ventilation hood is generally installed at the air outlet to prevent foreign matter from entering the unit. However, since the ventilation hood itself is usually fixed by bolts and nuts, it is necessary to use corresponding tools when disassembling it, and it will take a lot of time, which will cause inconvenience to the replacement of the filter element to a certain extent. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a fan filter unit with convenient filter element replacement, so as to solve the problem that the filter element is inconvenient to replace due to the installation method of the ventilation hood in the prior art.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a fan filter unit for convenient replacement of filter elements, comprising a fan filter unit body, the air outlet of the fan filter unit body is provided with a mounting cover, the surface of the mounting cover is relatively provided with a clamping block, the fan filter unit for convenient replacement of filter elements also includes

[0005] Rotate the plate;

[0006] A mounting frame, the mounting frame is relatively arranged on both sides of the fan filter unit body in the width direction, the interior of the mounting frame is rotatably connected with a rotating shaft, and the surface of the rotating shaft is fixedly connected to the bottom of the rotating plate;

[0007] A clamping seat, the clamping seat is fixedly connected to the top of the rotating plate near the side of the fan filter unit body, the left and right sides of the clamping seat are respectively fixedly installed with a fitting ring 1 and a fitting ring 2, the bottoms of the fitting ring 1 and the fitting ring 2 are both provided with sealing gaskets, and the bottom surface of the sealing gasket is in contact with the top of the fan filter unit body;

[0008] A fixing hole is provided on one side of the top of the second fitting ring.

[0009] Among them, it also includes a spring 1, the bottom end of which is fixedly connected to the inside of a fitting ring 1 away from an end of the clamping seat, the top end of which is fixedly connected to a movable column, the surface of which is movably connected to the inner wall of the fitting ring 1, the top end of which is fixedly connected to a connecting plate, a fixing pin is fixedly installed on a side of the connecting plate away from the fixing column, and the surface of the fixing pin is socketed with the inside of the fixing hole.

[0010] Among them, it also includes auxiliary components, which are relatively arranged on the front and back sides of the fan filter unit body.

[0011] Among them, the auxiliary component includes a base plate, a mounting rod, a limit plate, a second spring, and a limit frame. The base plate is relatively arranged on the front and back sides of the fan filter unit body, the bottom end of the mounting rod is fixedly connected to the top surface of the base plate, the limit plate is fixedly installed on the top end of the mounting rod, the second spring is movably sleeved on the surface of the mounting rod, the bottom end of the second spring is fixedly connected to the top surface of the base plate, and the top end is fixedly connected to the bottom surface of the limit frame, the bottom of the limit frame is slidably connected to the surface of the mounting rod, and the inner wall of the limit frame is in contact with the side of the mounting frame.

[0012] Wherein, it also includes a flexible pad, and the flexible pad is arranged on the top of the limiting frame.

[0013] The beneficial effects of the above technical solution of the utility model are as follows:

[0014] In the above scheme, when it is necessary to disassemble the mounting cover, the connecting plate is first moved vertically upward, so that the spring 1 connected to the bottom end of the movable column is deformed, and the fixing pin connected to the right side of the connecting plate can be disengaged from the fixing hole. At this time, the fitting ring 1 and the fitting ring 2 are in a movable state, and then the rotating plate can be turned around the rotating axis, so that the clamping seat is turned synchronously, and the clamping block is disengaged from the clamping groove inside the clamping seat, that is, the mounting cover is loosened and can be disassembled and separated from the fan filter unit body. Therefore, instead of using bolts and nuts to fix the mounting cover, the mounting cover can be disassembled without the help of tools, which reduces the disassembly time of the mounting cover, thereby shortening the overall process of replacing the filter element and improving the convenience of replacing the filter element.

[0015] Before the rotating plate is flipped over, the limit frame is moved vertically downward to cause the second spring to produce compression deformation, and the limit frame can be separated from the surface of the mounting frame after moving downward, and no longer limits the rotating plate. At this time, the rotating plate can be rotated. On the basis of quick disassembly of the mounting cover, the stability of the mounting cover after installation is ensured, thereby achieving the effect of improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a three-dimensional assembly diagram of the overall device of the utility model;

[0018] Figure 3 It is a schematic diagram of the related structures of the clamping seat, the first fitting ring and the second fitting ring of the utility model;

[0019] Figure 4 This is a schematic diagram of the auxiliary component structure of the utility model.

[0020] [reference numerals]

[0021] 1. Fan filter unit body; 2. Mounting cover; 3. Rotating plate; 4. Mounting frame; 5. Rotating shaft; 6. Snap-in seat; 7. Fitting ring 1; 8. Fitting ring 2; 9. Sealing gasket; 10. Fixing hole; 11. Spring 1; 12. Movable column; 13. Connecting plate; 14. Fixing pin; 15. Auxiliary component; 16. Snap-in block; 151. Bottom plate; 152. Mounting rod; 153. Limiting plate; 154. Spring 2; 155. Limiting frame; 156. Flexible pad. DETAILED DESCRIPTION

[0022] In order to make the technical problems to be solved, technical solutions and advantages of the present invention more clear, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0023] As attached Figure 1 To Attachment Figure 4 The embodiment of the utility model provides a fan filter unit for conveniently replacing a filter element, comprising a fan filter unit body 1, a mounting cover 2 is provided at the air outlet of the fan filter unit body 1, a clamping block 16 is provided on the surface of the mounting cover 2, and the fan filter unit for conveniently replacing a filter element further comprises

[0024] Rotate plate 3;

[0025] The mounting frame 4 is relatively arranged on both sides of the fan filter unit body 1 in the width direction, and the interior of the mounting frame 4 is rotatably connected with a rotating shaft 5, and the surface of the rotating shaft 5 is fixedly connected to the bottom of the rotating plate 3;

[0026] The card seat 6 is fixedly connected to the top of the rotating plate 3 near the side of the fan filter unit body 1. The left and right sides of the card seat 6 are respectively fixedly installed with a fitting ring 1 7 and a fitting ring 2 8. The bottoms of the fitting ring 1 7 and the fitting ring 2 8 are both provided with a sealing gasket 9. The bottom surface of the sealing gasket 9 is in contact with the top of the fan filter unit body 1. The card seat 6 is provided with a card slot adapted to the card block 16. The mounting cover 2 can be fixed by the card connection of the two.

[0027] The fixing hole 10 is opened on one side of the top of the fitting ring 2 8.

[0028] It also includes a spring 11, the bottom end of the spring 11 is fixedly connected to the inside of the end of the fitting ring 7 away from the clamping seat 6, the top of the spring 11 is fixedly connected to a movable column 12, the surface of the movable column 12 is movably connected to the inner wall of the fitting ring 7, the top of the movable column 12 is fixedly connected to a connecting plate 13, and a fixing pin 14 is fixedly installed on the side of the connecting plate 13 away from the movable column 12, and the surface of the fixing pin 14 is socketed with the inside of the fixing hole 10.

[0029] The auxiliary components 15 are also included, and the auxiliary components 15 are relatively arranged on the front and back sides of the fan filter unit body 1.

[0030] Among them, the auxiliary component 15 includes a base plate 151, a mounting rod 152, a limit plate 153, a second spring 154, and a limit frame 155. The base plate 151 is relatively arranged on the front and back sides of the fan filter unit body 1. The bottom end of the mounting rod 152 is fixedly connected to the top surface of the base plate 151, the limit plate 153 is fixedly installed on the top of the mounting rod 152, and the second spring 154 is movably sleeved on the surface of the mounting rod 152. The bottom end of the second spring 154 is fixedly connected to the top surface of the base plate 151, and the top end is fixedly connected to the bottom surface of the limit frame 155. The bottom of the limit frame 155 is slidably connected to the surface of the mounting rod 152, and the inner wall of the limit frame 155 fits the side of the mounting frame 4.

[0031] It also includes a flexible pad 156, which is arranged on the top of the limit frame 155. The flexible pad 156 can cover the top of the limit frame 155 to protect the mounting frame 4 as a whole, so as to prevent foreign objects from entering the mounting frame 4 and affecting the rotation of the rotating shaft 5. In addition, due to the flexible material of the flexible pad 156 itself, it will not affect the movement of the limit frame 155 on the surface of the mounting frame 4.

[0032] The working process of the utility model is as follows: when it is necessary to disassemble the mounting cover 2, first the connecting plate 13 is vertically moved upward, so that the spring 11 connected to the bottom end of the movable column 12 is deformed, and at the same time the fixing pin 14 connected to the right side of the connecting plate 13 can be disengaged from the inside of the fixing hole 10, at this time the fitting ring 1 7 and the fitting ring 2 8 are in a movable state, and then the rotating plate 3 can be turned around the rotating shaft 5, so that the clamping seat 6 is turned synchronously, and the clamping block 16 is disengaged from the clamping groove inside the clamping seat 6, that is, the mounting cover 2 is loosened, and it can be disassembled and separated from the fan filter unit body 1;

[0033] Before the rotating plate 3 is turned over, the limit frame 155 is moved vertically downward to cause the spring 2 154 to be compressed and deformed. After the limit frame 155 is moved downward, it can be separated from the surface of the mounting frame 4 and no longer limit the rotating plate 3. At this time, the rotating plate 3 can be rotated.

[0034] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0035] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0036] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A fan filter unit for convenient filter element replacement, comprising a fan filter unit body (1), a mounting cover (2) being provided at the air outlet of the fan filter unit body (1), a clamping block (16) being provided on the surface of the mounting cover (2), and characterized in that: The fan filter unit that is convenient for replacing the filter element also includes Rotating plate (3); A mounting frame (4), the mounting frame (4) being relatively arranged on both sides of the fan filter unit body (1) in a width direction, the mounting frame (4) being rotatably connected to a rotating shaft (5) inside, the surface of the rotating shaft (5) being fixedly connected to the bottom of the rotating plate (3); A clamping seat (6), the clamping seat (6) is fixedly connected to the top of the rotating plate (3) on one side close to the fan filter unit body (1), and a fitting ring (7) and a fitting ring (8) are fixedly installed on the left and right sides of the clamping seat (6), and a sealing gasket (9) is provided at the bottom of the fitting ring (7) and the fitting ring (8), and the bottom surface of the sealing gasket (9) is in contact with the top of the fan filter unit body (1); A fixing hole (10), wherein the fixing hole (10) is opened on one side of the top of the second fitting ring (8).

2. The fan filter unit with convenient filter element replacement according to claim 1, characterized in that: It also includes a spring (11), the bottom end of which is fixedly connected to the inside of an end of a fitting ring (7) away from the clamping seat (6), the top end of which is fixedly connected to a movable column (12), the surface of which is movably connected to the inner wall of the fitting ring (7), the top end of which is fixedly connected to a connecting plate (13), a fixing pin (14) fixedly installed on the side of the connecting plate (13) away from the fixing column (12), the surface of which is sleeved with the inside of the fixing hole (10).

3. The fan filter unit with convenient filter element replacement according to claim 1, characterized in that: It also comprises auxiliary components (15), wherein the auxiliary components (15) are arranged relatively on the front and back sides of the fan filter unit body (1).

4. The fan filter unit with convenient filter element replacement according to claim 3, characterized in that: The auxiliary component (15) comprises a bottom plate (151), a mounting rod (152), a limiting plate (153), a second spring (154), and a limiting frame (155); the bottom plate (151) is relatively arranged on the front and back sides of the fan filter unit body (1); the bottom end of the mounting rod (152) is fixedly connected to the top surface of the bottom plate (151); the limiting plate (153) is fixedly installed on the top end of the mounting rod (152); the second spring (154) is movably sleeved on the surface of the mounting rod (152); the bottom end of the second spring (154) is fixedly connected to the top surface of the bottom plate (151), and the top end is fixedly connected to the bottom surface of the limiting frame (155); the bottom of the limiting frame (155) is slidably connected to the surface of the mounting rod (152); and the inner wall of the limiting frame (155) is in contact with the side surface of the mounting frame (4).

5. The fan filter unit with convenient filter element replacement according to claim 4, characterized in that: It also includes a flexible pad (156), which is arranged on the top of the limiting frame (155).